package Demo3;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 34255
 * Date: 2024-05-18
 * Time: 16:20
 */
public abstract class Shapes{
    public abstract void draw();
}

abstract class A extends Shapes{
    public abstract void a();
}

class B extends A{
    public void draw(){

    }

    public void a(){

    }
}